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** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
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import QtQuick 2.9
import QtQuick.Controls 2.12
import QtQuick.Controls.impl 2.12

import CuteUI 1.0 as CuteUI

Rectangle {
    id: indicatorItem
    implicitWidth: 18
    implicitHeight: 18

    color: !control.enabled ? control.CuteUI.Theme.secondBackgroundColor
                            : checked ? CuteUI.Theme.highlightColor : control.CuteUI.Theme.secondBackgroundColor
    border.color: !control.enabled ? control.CuteUI.Theme.disabledTextColor
        : checked ? control.CuteUI.Theme.highlightColor: control.CuteUI.Theme.textColor
    border.width: 1
    radius: control.autoExclusive ? Math.min(height, width) : 4

    property Item control
    property bool checked : control.checked

    Behavior on border.width {
        NumberAnimation {
            duration: 100
            easing.type: Easing.InOutCubic
        }
    }

    Behavior on border.color {
        ColorAnimation {
            duration: 100
            easing.type: Easing.InOutCubic
        }
    }   

    Image {
        id: checkImage
        width: parent.height * 0.6
        height: parent.height * 0.6
        anchors.centerIn: parent
        source: "qrc:/qt-project.org/imports/QtQuick/Controls.2/Material/images/check.png"
        fillMode: Image.PreserveAspectFit

        scale: checked ? 1 : 0
        Behavior on scale {
            NumberAnimation {
                duration: 100
                easing.type: Easing.InOutCubic
            }
        }
    }

    transitions: Transition {
        SequentialAnimation {
            NumberAnimation {
                target: indicatorItem
                property: "scale"
                // Go down 2 pixels in size.
                to: 1 - 2 / indicatorItem.width
                duration: 120
            }
            NumberAnimation {
                target: indicatorItem
                property: "scale"
                to: 1
                duration: 120
            }
        }
    }
}